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Rural ResidenceResidential
$215,738$131 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

21108 N ROBERTSON RD

RIO HONDO, TX 78583
0
Baths
1,650 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$216K
$197K low$235K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,423 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$192,963 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$83,146
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$109,817
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$99,240
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$192,963

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.49
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
62
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
99
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
38
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
47
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyCAMERON
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 176 ft²

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Rio Hondo Elementary SchoolC-
Elementary · Grades PK–4 · 0.8 mi
H
Rio Hondo High SchoolD+
High · Grades 9–12 · 1.6 mi
M
Rio Hondo Middle SchoolD
Middle · Grades 5–8 · 1.9 mi

District: Rio Hondo Independent School District

Neighborhood · ZIP 78583These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.74%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.5,356
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.33 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$53,084
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,219
Average tempThe average temperature here across a full year.73°F
Annual precipHow much rain and melted snow falls here in a typical year.28 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

21108 N Robertson Rd measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Costs less per square foot than 77% of homes in Rio Hondo 78583
  • Bigger than 71% of homes in Rio Hondo 78583
  • Has a bigger lot than 89% of homes in Cameron County
  • Among the oldest homes in Rio Hondo 78583

What homes are worth in Rio Hondo 78583

Each bar is how many homes fall in that price range. The marker is this home.

This home
$88K$591K

This home is worth more than 57% of homes in Rio Hondo 78583.

How it measures up in Rio Hondo 78583

The dot is this home. The mark in the middle is the typical home in Rio Hondo 78583.

Estimated value$215,738
CheaperTypical $198,000Pricier

Pricier than 57% of homes nearby

Price per ft²$131
CheaperTypical $156Pricier

Pricier than 23% of homes nearby

Living area1,650 ft²
SmallerTypical 1,234 ft²Bigger

Bigger than 71% of homes nearby

Lot size1 ac
SmallerTypical 0.79 acBigger

Bigger than 68% of homes nearby

Year built1940
OlderTypical 1992Newer

Older than almost all homes nearby

How 21108 N Robertson Rd ranks against every home in each area.
MeasureThis homeRio Hondo 78583Cameron County
Estimated valuepricier than$215,73857% of homes57% of homes
Price per ft²pricier than$13123% of homes42% of homes
Living areabigger than1,650 ft²71% of homes67% of homes
Lot sizebigger than1 ac68% of homes89% of homes
Year builtnewer than1940almost no homes2% of homes

About 21108 N Robertson Rd

How much is 21108 N Robertson Rd, Rio Hondo, TX worth?

The TopHap Estimate for 21108 N Robertson Rd, Rio Hondo, TX is $215,738 as of Sep 24, 2026. The likely range is $196,628 to $234,848. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21108 N Robertson Rd, Rio Hondo, TX last sell?

21108 N Robertson Rd, Rio Hondo, TX last sold on Jan 1, 1900, according to the county's recorded deed.

When was 21108 N Robertson Rd, Rio Hondo, TX built?

21108 N Robertson Rd, Rio Hondo, TX was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 21108 N Robertson Rd, Rio Hondo, TX?

21108 N Robertson Rd, Rio Hondo, TX is assigned to Rio Hondo Elementary School (elementary), rated C-; Rio Hondo High School (high), rated D+; Rio Hondo Middle School (middle), rated D. All sit in Rio Hondo Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21108 N Robertson Rd, Rio Hondo, TX compare to other homes in Rio Hondo 78583?

Among the 3,462 homes in Rio Hondo 78583, it is worth more than 57% of them ($215,738 against a typical $198,000), its price per square foot is higher than 23% of them ($131 against a typical $156), it is bigger than 71% of them (1,650 ft² against a typical 1,234 ft²), its lot is bigger than 68% of them (1 ac against a typical 0.79 ac) and it is newer than almost none of them (1940 against a typical 1992). Measured against all of Cameron County, it is worth more than 57% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21108 N Robertson Rd, Rio Hondo, TX?

The 2025 property tax bill for 21108 N Robertson Rd, Rio Hondo, TX was $2,423. The county assessed it at $192,963.

More homes on N Robertson Rd

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Assigned schools

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